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Paper Abstract and Keywords
Presentation 2017-01-18 15:10
An advanced algorithm for surface deformation monitoring of an airport taxiway by GB-SAR
Lilong Zou, Motoyuki Sato (Tohoku Univ.) Link to ES Tech. Rep. Archives: EMT2016-89 OPE2016-135 LQE2016-124 EST2016-99 MWP2016-73
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose an advanced algorithm for high resolution surface deformation monitoring of an airport taxiway with a focus on distributed scatterers by Ground based synthetic aperture radar (GB-SAR). The presented technique is based on an appropriate combination of differential interferograms produced by data pairs acquired in the whole observation period to recover the real phase of the distributed scatterers. The application of stack several GB-SAR data in a short observation period increases the signal to noise ratio of GB-SAR images. But, at the meantime, stacking method loose the temporal sampling rate. After stacking, the appropriate combination of Interferograms were generated. Then, a linear model which estimated a regression line of the interferometry phase of coherent scatters is used to filter out the atmospheric phase artifact. Next, the singular value decomposition (SVD) method is applied to estimate the real phase of a fixed distributed scatter. The SVD is used to evaluate the combination matrix that gives the minimum-norm least square solution of the real phase, according to the detected deformation. Unfortunately, these procedures requires a large cumulative time for calculation. The proposed approach has been applied to monitoring a taxiway (distributed scatterers) in an airport. The deformation of the taxiway caused by the airplane passing is clearly observed.
Keyword (in Japanese) (See Japanese page) 
(in English) nondestructive inspection / airport taxiway / GB-SAR / distributed scatterers / pavement deformation / SIP / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 387, EMT2016-89, pp. 109-114, Jan. 2017.
Paper # EMT2016-89 
Date of Issue 2017-01-11 (PN, EMT, OPE, LQE, EST, MWP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)

Conference Information
Conference Date 2017-01-18 - 2017-01-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Iseshi Kanko Bunka Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMT 
Conference Code 2017-01-OPE-EST-LQE-EMT-PN-MWP-EMT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An advanced algorithm for surface deformation monitoring of an airport taxiway by GB-SAR 
Sub Title (in English)  
Keyword(1) nondestructive inspection  
Keyword(2) airport taxiway  
Keyword(3) GB-SAR  
Keyword(4) distributed scatterers  
Keyword(5) pavement deformation  
Keyword(6) SIP  
1st Author's Name Lilong Zou  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Motoyuki Sato  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2017-01-18 15:10:00 
Presentation Time 25 
Registration for EMT 
Paper # IEICE-PN2016-60,IEICE-EMT2016-89,IEICE-OPE2016-135,IEICE-LQE2016-124,IEICE-EST2016-99,IEICE-MWP2016-73 
Volume (vol) IEICE-116 
Number (no) no.386(PN), no.387(EMT), no.388(OPE), no.389(LQE), no.390(EST), no.391(MWP) 
Page pp.109-114 
#Pages IEICE-6 
Date of Issue IEICE-PN-2017-01-11,IEICE-EMT-2017-01-11,IEICE-OPE-2017-01-11,IEICE-LQE-2017-01-11,IEICE-EST-2017-01-11,IEICE-MWP-2017-01-11 

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